HelloWorld java HelloWorld

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Topic: JSweet

Alex_Raj
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posts:	99
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posted on: 04/01/2021 01:00:04 AM

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JSweet

How to install JSweet?

Requirements:

Node.js -- Globally downloaded with system parameter path C:\Program Files\nodejs\. Node.js is an open-source, cross-platform JavaScript run-time environment that executes JavaScript code outside of a browser.

From Eclipse:

Go to: Help > Install New Software

Press the Add… button to add:

http://eclipse-update-site.jsweet.org

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Alex_Raj
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posts:	99
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posted on: 04/01/2021 01:02:04 AM

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pom.xml

If starting from a brand new project ...

Here is the procedure:

File > New > Dynamic Web Project -- Named as HelloJSweet

Right click on your project: Configure > Enable JSweet builder

Right click on your project: Configure > Convert to Maven Project. Leave all the default options.

Edit your pom.xml to add the JSweet repository and dependency sections

<!-- repositories -->
  <repositories>
    <repository>
      <id>jsweet-central</id>
      <name>libs-release</name>
      <url>http://repository.jsweet.org/artifactory/libs-release-local</url>
    </repository>
    <repository>
      <snapshots />
      <id>jsweet-snapshots</id>
      <name>libs-snapshot</name>
      <url>http://repository.jsweet.org/artifactory/libs-snapshot-local</url>
    </repository>
  </repositories>
  <!-- end repositories -->

<!-- dependencies-->
	<dependencies>
		<dependency>
			<groupId>org.jsweet</groupId>
			<artifactId>jsweet-core</artifactId>
			<version>6.3.0</version>
		</dependency>
		<dependency>
			<groupId>org.jsweet.candies</groupId>
			<artifactId>jquery</artifactId>
			<version>1.10.0-20170726</version>
		</dependency>
	</dependencies>
<!-- end dependencies-->

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Alex_Raj
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posted on: 04/01/2021 01:04:02 AM

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HelloWorld.java --> HelloWorld.js

Now, you can code a java file:

package org.zsp.jsweet;

import static jsweet.dom.Globals.*;
import jsweet.dom.HTMLElement;

public class HelloWorld {
	public static void main(String[] args) {
		alert("This example writes 'Hello world' in the document!");
		HTMLElement e = document.getElementById("target");
		e.innerHTML = "Hello world!";
	}
}

If everything goes smoothly, you should find a JWseet generated JS file here:

/js/org/zsp/jsweet/HelloWorld.js

Note: js is the default folder which can be configured via Window > Preferences > JSweet > Generated javascript folder

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Alex_Raj
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posted on: 04/01/2021 01:08:06 AM

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index.html

Here is the corresponding HTML file index.html:

<!DOCTYPE html>
<html>

<head>
<meta charset="UTF-8">
<title>Hello world</title>
</head>

<body>
    <div id="target"></div>
    <script src="./js/org/zsp/jsweet/HelloWorld.js"></script>
</body>

</html>

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Alex_Raj
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posted on: 07/27/2023 07:33:01 AM

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pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>HelloJSweet</groupId>
  <artifactId>HelloJSweet</artifactId>
  <version>0.0.1-SNAPSHOT</version>
  <packaging>war</packaging>
  
<!-- repositories -->
  <repositories>
    <repository>
      <id>jsweet-central</id>
      <name>libs-release</name>
      <url>http://repository.jsweet.org/artifactory/libs-release-local</url>
    </repository>
    <repository>
      <snapshots />
      <id>jsweet-snapshots</id>
      <name>libs-snapshot</name>
      <url>http://repository.jsweet.org/artifactory/libs-snapshot-local</url>
    </repository>
  </repositories>
  <!-- end repositories -->    
  
  <build>
    <sourceDirectory>src</sourceDirectory>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>3.8.1</version>
        <configuration>
          <source>1.8</source>
          <target>1.8</target>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-war-plugin</artifactId>
        <version>3.2.3</version>
        <configuration>
          <warSourceDirectory>WebContent</warSourceDirectory>
        </configuration>
      </plugin>
    </plugins>
  </build>
  
  <!-- dependencies-->
	<dependencies>
		<dependency>
			<groupId>org.jsweet</groupId>
			<artifactId>jsweet-core</artifactId>
			<version>6.3.0</version>
		</dependency>
		<dependency>
			<groupId>org.jsweet.candies</groupId>
			<artifactId>jquery</artifactId>
			<version>1.10.0-20170726</version>
		</dependency>
	</dependencies>
<!-- end dependencies-->
  
</project>

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Alex_Raj
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posted on: 07/30/2023 06:07:21 AM

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Eclipse version

JSweet compliant Eclipse versions:

jee-mars-2 (2016)
jee-2019-09
jee-2020-06

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